The beauty of winter is descending on Yellowstone in the form of an early season snow storm that is passing through the area. Park visitors should be prepared for winter weather and driving conditions, including temporary road closures and delays, for at least a few days.

The National Weather Service has issued a winter storm warming in effect until midnight Saturday. The potential exists for 6-12 inches of snowfall in the lower elevations of the park by late Saturday night, with more than a foot possible in the mountains. Winds may create blowing and drifting of snow.

Current forecasts call for conditions to begin improving by Sunday night.

Some park facilities are still open at Old Faithful, Canyon, and Mammoth Hot Springs, and roads are being plowed as crews are able and conditions allow. Various road segments and passes may be temporarily closed. Please call 307-344-2117 at any time for current road information. Snow tires are currently required on most park roads.